Jionoside A1
Jionoside A1 displays dose dependent immune-enhancement activity and possesses moderate neuroprotective activities on H2O2-treated SH-SY5Y cells.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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J. Pharm. Biomed. Anal., 2015, 117(6):363-71.
Identification of bioactive ingredients with immuno-enhancement and anti-oxidative effects from Fufang-Ejiao-Syrup by LC-MS(n) combined with bioassays.[Pubmed:
26433168 ]
Fufang Ejiao Syrup (FES) is a widely used immune-boosting Traditional Chinese Medicine (TCM) in Eastern Asian countries. This study attempts to investigate the bioactive compounds in FES.
METHODS AND RESULTS:
First, FES extract was separated into fractions to facilitate the investigation and 72 compounds were identified using LC-MS(n). Subsequently, Immune-enhancement effects of FES and its components were investigated on bone marrow cells and neuroprotective effects against H2O2 induced oxidative damage were evaluated in SH-SY5Y neuroblastoma cells and bEnd.3. Our results indicated that fraction 3, 5, 6 and 8 showed significant improvements on immune function, while several fractions had cytoprotective effects against H2O2-induced oxidative injury. Jionoside A1 isolated from Radix Rehmanniae Praeparata displayed dose dependent immune-enhancement activity. 20(R)-ginsenoside Rg3 could protect bEnd.3 against oxidative damage. Furthermore, echinacoside, Jionoside A1, vitexin-2-O-rhamnoside, acteoside and isoacteoside possessed moderate protective activities on H2O2-treated SH-SY5Y cells.
CONCLUSIONS:
In conclusion, our study provided both chemical and biological evidences to support clinical application of FES.
